AFFILIATED MANAGERS GROUP, INC. - AMG
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 28
Latest filed: Sep 25, 2026
| Form | Count |
|---|---|
| 4 | 17 |
| 8-K | 4 |
| 144 | 4 |
| SCHEDULE 13G | 2 |
| 4/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Sep 25, 2026 | 4/A | Aug 15, 2026 | 0001004434-26-000105 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000099 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000100 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000101 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000102 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000080 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000082 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000084 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000086 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000088 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000090 | View |
| Jul 30, 2026 | 8-K | Jul 30, 2026 | 0001628280-26-050793 | View |
| Jun 30, 2026 | 144 | — | 0001950047-26-006638 | View |
| Jun 15, 2026 | 4 | Jun 12, 2026 | 0001004434-26-000068 | View |
| Jun 09, 2026 | 8-K | Jun 09, 2026 | 0001193125-26-263845 | View |
| Jun 08, 2026 | 4 | Jun 08, 2026 | 0001004434-26-000065 | View |
| Jun 08, 2026 | 144 | — | 0001950047-26-005743 | View |
| Jun 03, 2026 | 4 | Jun 01, 2026 | 0001004434-26-000062 | View |
| May 28, 2026 | 8-K | May 27, 2026 | 0001193125-26-245324 | View |
| May 08, 2026 | 4 | May 06, 2026 | 0001004434-26-000058 | View |
| May 08, 2026 | 4 | May 08, 2026 | 0001004434-26-000059 | View |
| May 08, 2026 | 144 | — | 0001950047-26-004237 | View |
| May 06, 2026 | 4 | May 06, 2026 | 0001004434-26-000053 | View |
| May 06, 2026 | 144 | — | 0001950047-26-004124 | View |
| May 05, 2026 | 4 | May 01, 2026 | 0001004434-26-000051 | View |
| May 01, 2026 | 8-K | May 01, 2026 | 0001628280-26-029094 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000144 | View |
| Apr 28, 2026 | SCHEDULE 13G | — | 0002100121-26-000055 | View |